Nitinella Plus has an excellent flexibility, reconstrainability, atraumatic stent ends, radiopaque markers and has optional covering. SX-ELLA Stent Biliary (Nitinella Plus) system is used for endoscopic (TTS) or percutaneous transhepatic insertion. Its self-expandable, braided, nitinol stents preloaded in a pull-back delivery system are available fully or partially covered or uncovered.